<!Doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <link rel="stylesheet" href="task08.css">
        <script src="task08.js"></script>
        <title>IFE JavaScript Task 08</title>
    </head>
    <body>
        <input type="text" id="inData">
        <button id="btnInsert" >插入</button>
        <button id="btnDelete" >删除</button>
        <button id="btnQuery" >查找</button>
        <button id="btnNewTree" >生成默认树</button>
        <button id="btnPre" >先序遍历</button>
        <button id="btnPost" >后序遍历</button>
        <div id="root" class="green"></div>
    </body>
</html>